25 lines
573 B
GLSL
25 lines
573 B
GLSL
#version 330 core
|
|
out vec4 frag_color;
|
|
|
|
in vec2 uv;
|
|
|
|
uniform sampler2D screen;
|
|
|
|
void main() {
|
|
// https://near.sh/video/color-emulation
|
|
// Thanks to Talarubi + Near for the Colour Correction
|
|
// Thanks to fleur + mattrb for the Shader Impl
|
|
|
|
vec4 color = texture(screen, uv);
|
|
color.rgb = pow(color.rgb, vec3(4.0)); // LCD Gamma
|
|
|
|
frag_color = vec4(
|
|
pow(vec3(
|
|
0 * color.b + 50 * color.g + 255 * color.r,
|
|
30 * color.b + 230 * color.g + 10 * color.r,
|
|
220 * color.b + 10 * color.g + 50 * color.r
|
|
) / 255, vec3(1.0 / 2.2)), // Out Gamma
|
|
1.0);
|
|
}
|
|
|